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Finding the Fourth Proportional to 17,295.81, 23,848.07 and 12,108.57

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Solution

The fourth proportional to 17,295.81, 23,848.07 and 12,108.57 is: 16,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,295.81 : 23,848.07 = 12,108.57 : x
  2. Step 2: Convert to fraction form
    17,295.81/23,848.07 = 12,108.57/x
  3. Step 3: Cross multiply
    17,295.81x = 23,848.07 × 12,108.57
  4. Step 4: Simplify right side
    17,295.81x = 288,765,964.42
  5. Step 5: Solve for x
    x = 288,765,964.42/17,295.81
  6. Step 6: Final answer
    x = 16,695.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.